diff --git a/solution/1400-1499/1451.Rearrange Words in a Sentence/README.md b/solution/1400-1499/1451.Rearrange Words in a Sentence/README.md
index c69dae7c508aa..222c2373d7b97 100644
--- a/solution/1400-1499/1451.Rearrange Words in a Sentence/README.md	
+++ b/solution/1400-1499/1451.Rearrange Words in a Sentence/README.md	
@@ -137,6 +137,31 @@ func arrangeWords(text string) string {
 }
 ```
 
+### **PHP**
+
+```php
+class Solution {
+    /**
+     * @param String $text
+     * @return String
+     */
+    function arrangeWords($text) {
+        $text = lcfirst($text);
+        $arr = explode(" ", $text);
+        for ($i = 0; $i < count($arr); $i++) {
+            $hashtable[$i] = strlen($arr[$i]);
+        }
+        asort($hashtable);
+        $key = array_keys($hashtable);
+        $rs = [];
+        for ($j = 0; $j < count($key); $j++) {
+            array_push($rs, $arr[$key[$j]]);
+        }
+        return ucfirst(implode(" ", $rs));
+    }
+}
+```
+
 ### **...**
 
 ```
diff --git a/solution/1400-1499/1451.Rearrange Words in a Sentence/README_EN.md b/solution/1400-1499/1451.Rearrange Words in a Sentence/README_EN.md
index 241ee7b53db80..748ec4169cd07 100644
--- a/solution/1400-1499/1451.Rearrange Words in a Sentence/README_EN.md	
+++ b/solution/1400-1499/1451.Rearrange Words in a Sentence/README_EN.md	
@@ -122,6 +122,31 @@ func arrangeWords(text string) string {
 }
 ```
 
+### **PHP**
+
+```php
+class Solution {
+    /**
+     * @param String $text
+     * @return String
+     */
+    function arrangeWords($text) {
+        $text = lcfirst($text);
+        $arr = explode(" ", $text);
+        for ($i = 0; $i < count($arr); $i++) {
+            $hashtable[$i] = strlen($arr[$i]);
+        }
+        asort($hashtable);
+        $key = array_keys($hashtable);
+        $rs = [];
+        for ($j = 0; $j < count($key); $j++) {
+            array_push($rs, $arr[$key[$j]]);
+        }
+        return ucfirst(implode(" ", $rs));
+    }
+}
+```
+
 ### **...**
 
 ```
diff --git a/solution/1400-1499/1451.Rearrange Words in a Sentence/Solution.php b/solution/1400-1499/1451.Rearrange Words in a Sentence/Solution.php
new file mode 100644
index 0000000000000..9017a6fed9583
--- /dev/null
+++ b/solution/1400-1499/1451.Rearrange Words in a Sentence/Solution.php	
@@ -0,0 +1,20 @@
+class Solution {
+    /**
+     * @param String $text
+     * @return String
+     */
+    function arrangeWords($text) {
+        $text = lcfirst($text);
+        $arr = explode(" ", $text);
+        for ($i = 0; $i < count($arr); $i++) {
+            $hashtable[$i] = strlen($arr[$i]);
+        }
+        asort($hashtable);
+        $key = array_keys($hashtable);
+        $rs = [];
+        for ($j = 0; $j < count($key); $j++) {
+            array_push($rs, $arr[$key[$j]]);
+        }
+        return ucfirst(implode(" ", $rs));
+    }
+}
\ No newline at end of file